Accounting Policies (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Accounting Policies [Abstract]
Accounts Receivable, Allowance for Credit Loss	$ 2,200		$ 2,200			$ 2,000
Financing Receivable, Allowance for Credit Loss, Writeoff			2,900	$ 2,500
Financing Receivable, Allowance for Credit Loss [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	551,482	$ 476,728	551,482	476,728	$ 526,306	525,804	$ 502,055	$ 511,024
Accounts Receivable, Allowance for Credit Loss	2,200		2,200			$ 2,000
Financing Receivable, Allowance for Credit Loss, Writeoff			2,900	2,500
Foreign Currency Transaction Gain (Loss), before Tax	$ (4,900)	$ 900	$ (4,600)	$ 1,300